Dinata Mendrofa, Martha Surya, Instianti Elyana, Dearma Sariani Sinaga, Adriansah Adriansah, Larisang Larisang, Retno Setyorini, Ubaldo Donaciano Guterres, and Anung Haryanto. MANAJEMEN OPERASIONAL. Widina Media Utama, 2026. Accessed November 5, 2026. https://omp.penerbitwidina.com/index.php/widina/catalog/book/160.